格林先生以前在马戏团工作。

Mr. Grin used to work in a circus.

这是我的私人助理，格林先生。

This is my personal assistant, Mr. Grin.

我上周在会议上遇到了格林先生。

I met Mr. Greene at the conference last week.

格林先生在一家医院工作。

Mr. Green works in a hospital.

格林先生给了比尔五十美元买书。

Mr. Green gave fifty dollars to Bill to buy some books.

格林先生刚才给我们讲了一个非常激动人心的故事。

Mr. Green told us a very exciting story just now.

格林先生刚才给我们讲了一个多么激动人心的故事啊！

What an exciting story Mr. Green told us just now!

从这篇文章中我们可以得知格林先生对他的儿子很满意。

We can learn from the passage that Mr. Green was pleased with his son.

老格林先生并不感到孤独，因为有些学生经常来看望他。

Old Mr. Green doesn't feel lonely because some students visit him regularly.

格林先生，这是李林先生。

Mr. Green, this is Mr. Li Lin.